MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious due to a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.me/wix?keyword=british+council+worksheets+for+teachers', which is the primary indicator of malicious intent. This URL likely leads to a phishing or malware distribution site, masquerading as educational content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.me/wix?keyword=british+council+worksheets+for+teachers
- https://static.usrfiles.com/ugd/dcbeda_8c9a0dd92bf6461b8d07694fc8d38cca.pdf
- https://static.usrfiles.com/ugd/5ea4d5_85431cdc40a340bfb2a864768b4d527f.pdf
- https://static.usrfiles.com/ugd/f35da0_203da18903ae4b52adbe77c1246785f2.pdf
- https://static.usrfiles.com/ugd/48d9a1_7a1140caeeb549d299b85d3975fa0346.pdf
- https://cdn.shopify.com/s/files/1/0431/8865/0135/files/82756037288.pdf
- https://cdn.shopify.com/s/files/1/0431/8891/2290/files/penanesugebepuleter.pdf
- https://cdn.shopify.com/s/files/1/0429/9092/8026/files/vefutadalewoveba.pdf
- https://cdn.shopify.com/s/files/1/0437/3830/0568/files/73646649079.pdf
- https://static.usrfiles.com/ugd/c0fca2_0c15db277b7f4d69b723fea33cf7cd0f.pdf
- https://static.usrfiles.com/ugd/b8c837_8657dfc8d9494d70855fa76bb9c1a0e7.pdf
- https://static.usrfiles.com/ugd/2c608b_e80b3656e6614316b48ee40fcb726c7c.pdf
- https://static.usrfiles.com/ugd/6203b9_4ff7d605705d48589989edc8ec7f7079.pdf
- https://cdn.shopify.com/s/files/1/0430/5738/1530/files/50319093251.pdf
- https://cdn.shopify.com/s/files/1/0434/0082/2934/files/outlook_create_email_template_shortcut.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063e6.binf48662e4d13a4c84b62af00d56126eabd75aec0768a99b2f7180080634d9d3ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63E6 | 5172 bytes |
font_01_sfnt_off00007593.binf11c01ca33102e26a286d0f9748324e25dc6a6a1e1674634a47117f34408c764 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7593 | 9788 bytes |
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